20
05.17 207646 Rev.103
EKWXA│EKWXBA
AIR-COOLED WATER CHILLERS
AXIAL FANS
THERMOSTAT AND CONTROL
MCX-15 START UP
Model 7002.4
POSITION
ANALOG INPUTS
DIGITAL INPUTS
ANALOG OUTPUTS
DIGITAL OUTPUTS
1
Water inlet temperature
Differential pressure
switch/ Flow switch
Fans circuit 1
Compressor 1 circ.1
2
Water outlet temperature
circuit 1
Thermal Compressor 1
Fans circuit 2
Compressor 2 circ.1
3
Water outlet temperature
circuit 2
Thermal Compressor 2
4 ways valve, circuit 1 (only
heat pump)
4
Cond./evap pressure.
Cool/Heat circuit 1
Thermal outdoor fans
circuit 1
Antifreeze resistance circuit
1
5
Evap./cond pressure.
Cool/Heat circuit 1
Safety high pressure
switch circuit 1
Compressor 1 circ.2
6
Cond./evap pressure.
Cool/Heat circuit 2
Remote Start/Stop
Compressor 2 circ.2
7
Evap./cond pressure.
Cool/Heat circuit 2
Remote Cool/Heat selector
Water pump (KIT 1 pump)
8
Second SETPOINT
Antifreeze resistance circuit
2
9
Thermal Compressor 3
10
Thermal Compressor 4
11
Thermal outdoor fans
circuit 2
Fans circuit 1
12
Safety high pressure
switch circuit 2
Fans circuit 2
13
Thermal pump
14
4 ways valve, circuit 2 (only
heat pump)
15
